customitemdemo.java

来自「J2ME手机游戏开发技术详解随书光盘」· Java 代码 · 共 38 行

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class CustomItemDemo
    extends MIDlet
    implements CommandListener {
  private Display mDisplay;
  private Form mMainForm;

  public CustomItemDemo() {
    mMainForm = new Form("用CustomItem实现自定义图像");
    DiamondItem di = new DiamondItem("DiamondItem");
    mMainForm.append(di);
    mMainForm.addCommand(new Command("Exit", Command.EXIT, 0));
    mMainForm.setCommandListener(this);

    mDisplay = Display.getDisplay(this);
  }
  
  public void startApp() {
    mDisplay.setCurrent(mMainForm);
  }
  
  public void pauseApp() {
  }
  
  public void destroyApp(boolean unconditional) {}
  
  // CommandListener method
  
  public void commandAction(Command c, Displayable s) {
    if (c.getCommandType() == Command.EXIT)
      notifyDestroyed();
  }
  
}